/*
    Speedbump aka Project Kimbula
    Copyright (C) 2010  Ping Shin Ching

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see http://www.gnu.org/licenses.

	Ping Shin Ching
	righteous.ninja@gmail.com OR ping_sc@hotmail.com
	More information at http://www.tidytutorials.com/p/speedbump.html
 */

#include "contenthandlerinterface.h"

#define MAX_CHUNKCON_DATA_SIZE 65536 

struct Chunk{
	char* data;
	int datalength;
	int actualdatalength;
	struct Chunk* nextchunk;
};

enum FLATTEN_CHUNK_RESPONSE{
	FLATTEN_CHUNK_OK,
	FLATTEN_CHUNK_MEM_ERR,
	FLATTEN_CHUNK_PARTIAL
};

class chunkedcontenthandler: public ContentHandlerInterface{
public:
	chunkedcontenthandler();
	HANDLER_RESPONSE HandleData(char** buffer, unsigned int *buffersize);	
	void HandleHeaders(HeaderHandlerInterface* headerd);
	int GetHandledData(char**, unsigned int*);
	~chunkedcontenthandler();

private:
	FLATTEN_CHUNK_RESPONSE flattenchunks(char**, unsigned int*, short);
	void showchunks();
	void freechunks();

	unsigned int approxchunksize;

	short capture;
	Chunk* chunks;
	unsigned int allchunkssize;
	Chunk* currentChunk;
	char* leftovers;
	int leftoverslength;
	long  currentchunkdatasize;

	char* buffer;
	unsigned int buffersize;
	unsigned int content_length;
	HeaderHandlerInterface* headerh;

	short dechunking_completed;
};
